Image by abux_77
Image of a 2D matrix (Bumpy Barcode) pin stamped in to metal. This image demonstrates the bright field technique where the majority of the picture is bright and pits being read are darker. This effect is accomplished by aiming the light directly at the part.
This picture was taken with a 25mm lens plus 1mm spacer with the aperature closed down about half way and exposed for 0.7ms.bar code reader
Greece ends tax spat ahead of new inspection
Install a free QR Code reader on your smart phone. Once the app is downloaded to your phone, open the app and click "Scan". Using your phone's camera, scan or take a picture of our code with your new barcode scanner. Click "Open Link" to go directly to ... bar code reader
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